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Table 3

The total scattering cross section, σt, the scattering cross section in the maximum direction, σd,max, the gain parameter, κ, and the resonant wavelength, λ, of the super-resonant asymmetric holey and cake active Ag-based CNRs.

θ [°] Holey CNR Cake CNR


  σt [dBcs] σd ,max [dBcs] κ λ [nm] σt [dBcs] σd ,max[dBcs] κ λ [nm]
0 67.9 71.3 –0.187 576.6 67.9 71.3 –0.187 576.6
22.5 67.0 70.2 –0.170 518.7 59.7 63.0 –0.178 514.8
45 59.5 62.8 –0.157 500.8 61.0 64.4 –0.164 496.3
90 53.7 57.0 –0.142 472.1 48.2 51.5 –0.147 468.0

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